Surface mount Zener diode luJing MMSZ5255B with 500mW power dissipation and thermal resistance specs
Key Attributes
Model Number:
MMSZ5255B
Product Custom Attributes
Impedance(Zzt):
44Ω
Diode Configuration:
Independent
Pd - Power Dissipation:
500mW
Zener Voltage(Range):
26.6V~29.4V
Impedance(Zzk):
600Ω
Mfr. Part #:
MMSZ5255B
Package:
SOD-123
Product Description
Product Overview
This series of surface mount Zener diodes, designated as the MMSZ5221B~MMSZ5267B, offers high stability and reliability. They are designed for various applications requiring precise voltage regulation, featuring a peak pulse power dissipation of 500mW. The diodes are housed in a small outline plastic package (SOD-80) and are suitable for general purpose applications.
Product Attributes
- Brand: Lujingsemi (implied by website URL)
- Package Type: SOD-80 Small Outline Plastic Package
- Polarity: Color band denotes cathode end
- Material: Epoxy
- Mounting Position: Any
- Type Code: SOD-123
Technical Specifications
| ELECTRICAL SPECIFICATION (@TA = 25 unless otherwise specified) | |||
|---|---|---|---|
| Parameter | Symbol | Value | Unit |
| Power Dissipation | Pd | 500 | mW |
| Forward Voltage | VF @ IF = 10mA | 1.0 | V |
| Thermal Resistance, Junction to Ambient | RJA | 300 | /W |
| Thermal Resistance, Junction to Lead | RJL | 80 | /W |
| Storage Temperature Range | Ts | -65 to +175 | |
| ELECTRICAL SPECIFICATION (@TA = 25 unless otherwise specified) | |||||||
|---|---|---|---|---|---|---|---|
| Type Code | Zener Voltage | Symbol | Vz @ Iz | Unit | Max. Reverse Leakage | Iz | Unit |
| MMSZ5221B | 2.4 | Vz | 2.4 | V | 0.5 | A | 2.0 |
| 2.5 | V | ||||||
| MMSZ5222B | 2.5 | Vz | 2.5 | V | 0.5 | A | 2.0 |
| MMSZ5223B | 2.7 | Vz | 2.7 | V | 0.5 | A | 2.0 |
| MMSZ5224B | 3.0 | Vz | 3.0 | V | 0.5 | A | 2.0 |
| MMSZ5225B | 3.3 | Vz | 3.3 | V | 0.5 | A | 2.0 |
| MMSZ5226B | 3.6 | Vz | 3.6 | V | 0.5 | A | 2.0 |
| MMSZ5227B | 3.9 | Vz | 3.9 | V | 0.5 | A | 2.0 |
| MMSZ5228B | 4.3 | Vz | 4.3 | V | 0.5 | A | 2.0 |
| MMSZ5229B | 4.7 | Vz | 4.7 | V | 0.5 | A | 2.0 |
| MMSZ5230B | 5.1 | Vz | 5.1 | V | 0.5 | A | 2.0 |
| MMSZ5231B | 5.6 | Vz | 5.6 | V | 0.5 | A | 2.0 |
| MMSZ5232B | 6.2 | Vz | 6.2 | V | 0.5 | A | 2.0 |
| MMSZ5233B | 6.8 | Vz | 6.8 | V | 0.5 | A | 2.0 |
| MMSZ5234B | 7.5 | Vz | 7.5 | V | 0.5 | A | 2.0 |
| MMSZ5235B | 8.2 | Vz | 8.2 | V | 0.5 | A | 2.0 |
| MMSZ5236B | 9.1 | Vz | 9.1 | V | 0.5 | A | 2.0 |
| MMSZ5237B | 10 | Vz | 10 | V | 0.5 | A | 2.0 |
| MMSZ5238B | 11 | Vz | 11 | V | 0.5 | A | 2.0 |
| MMSZ5239B | 12 | Vz | 12 | V | 0.5 | A | 2.0 |
| MMSZ5240B | 13 | Vz | 13 | V | 0.5 | A | 2.0 |
| MMSZ5241B | 15 | Vz | 15 | V | 0.5 | A | 2.0 |
| MMSZ5242B | 16 | Vz | 16 | V | 0.5 | A | 2.0 |
| MMSZ5243B | 18 | Vz | 18 | V | 0.5 | A | 2.0 |
| MMSZ5244B | 20 | Vz | 20 | V | 0.5 | A | 2.0 |
| MMSZ5245B | 22 | Vz | 22 | V | 0.5 | A | 2.0 |
| MMSZ5246B | 24 | Vz | 24 | V | 0.5 | A | 2.0 |
| MMSZ5247B | 27 | Vz | 27 | V | 0.5 | A | 2.0 |
| MMSZ5248B | 30 | Vz | 30 | V | 0.5 | A | 2.0 |
| MMSZ5249B | 33 | Vz | 33 | V | 0.5 | A | 2.0 |
| MMSZ5250B | 36 | Vz | 36 | V | 0.5 | A | 2.0 |
| MMSZ5251B | 39 | Vz | 39 | V | 0.5 | A | 2.0 |
| MMSZ5252B | 43 | Vz | 43 | V | 0.5 | A | 2.0 |
| MMSZ5253B | 47 | Vz | 47 | V | 0.5 | A | 2.0 |
| MMSZ5254B | 51 | Vz | 51 | V | 0.5 | A | 2.0 |
| MMSZ5255B | 56 | Vz | 56 | V | 0.5 | A | 2.0 |
| MMSZ5256B | 62 | Vz | 62 | V | 0.5 | A | 2.0 |
| MMSZ5257B | 68 | Vz | 68 | V | 0.5 | A | 2.0 |
Notes:
1. Device mounted on ceramic PCB 7.6mm x 9.4mm x 0.87mm with pad areas 25mm.
2. Short duration test pulse used to minimize self-heating effect.
3. f = 1kHz.
2509021810_luJing-MMSZ5255B_C51625770.pdf
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